dcs4

dcs4.com is a search tool for four-letter .com domain names. It keeps a live availability index of hundreds of thousands of four-letter .coms, updated daily. Search it with wildcards like n*, qu?? or *ak, browse available, premium and expiring lists, and see WHOIS records, expiry dates and a brand score for each name. Searching the full index is free; a Pro plan adds dropped-domain search, exports and email alerts.